Quiz: Trivia Questions From Chemistry And Electricity
.
- 1.Organic chemistry is the study of substances containing:
- A.
Carbon
- B.
Water
- C.
Hydrogen
- D.
Organisms
- 2.Example of organic substances include:
- A.
Pesticides
- B.
Minerals
- C.
Pure water
- D.
Metals
- 3.Matter is any substance that:
- A.
Occupies space
- B.
Contains carbon
- C.
Is soluble in water
- D.
Is either a solid or a liquid
- 4.The particles from which all matter is composed are:
- A.
Elemental molecules
- B.
Compound molecules
- C.
Atoms
- D.
Chemical compunds
- 5.Two or more atoms of the same element that are united chemically form a/an:
- A.
Elmental molecule
- B.
Chemical compound
- C.
Compound molecule
- D.
State of matter
- 6.When water boils, it is changing from one state of matter to another, from:
- A.
Liquid to gas
- B.
Gas to liquid
- C.
Solid to liquid
- D.
Solid to gas
- 7.When a physical change occurs in a substance, there is:
- A.
A change in physical properties
- B.
No change in state of matter
- C.
The formation of a new substance
- D.
A chemical reaction
- 8.The action of permanent haircolor is an example of a:
- A.
Physical change
- B.
Temporary change
- C.
Chemical change
- D.
Change in state of matter
- 9.Water (H20) is an example of a/an:
- A.
Chemical compound
- B.
Element
- C.
Physical misture
- D.
Solution
- 10.Salt water and fruit salad are examples of a/an:
- A.
Pure substance
- B.
Physical mixture
- C.
Chemical compound
- D.
Element
- 11.A blended mixtue of two or more solids, liquids, or gases is a/an:
- A.
Solution
- B.
Suspension
- C.
Emulsion
- D.
Chemical compound
- 12.Liquids that can be mixed together in any proportion without separating are:
- A.
Suspended
- B.
Immiscible
- C.
Emulsified
- D.
Miscible
- 13.A substance that dissoves another substance to form a solution, with no change in chemical compostion, is a/an:
- A.
Surfactant
- B.
Solvent
- C.
Emulsion
- D.
Solute
- 14.A mixtue that must be shaken or mixed well before suing is a/an:
- A.
Suspension
- B.
Solution
- C.
Oil-in-water emulsion
- D.
Water-in-oil emulsion
- 15.Most of the emulsions used in a salon:
- A.
Are water-in-oil emulsions
- B.
Do not use surfactants
- C.
Contain more oil than water
- D.
Are oil-in-water emulsion
- 16.Emulsions are mixtures of two or more:
- A.
Miscible substances
- B.
Surfactants
- C.
Immiscible substances
- D.
Solutions
- 17.The head of a surfactant molecule is water-loving, or:
- A.
Immiscible
- B.
Hydrophilic
- C.
Hydrophobic
- D.
Lipophilic
- 18.Substances that are often used instead os ammonia in hair products because their odor is not as strong are:
- A.
Silicone
- B.
Alcohol
- C.
Alkanolamines
- D.
Glycerin
- 19.A colorless gas with a strong odor, composed of hydrogen and nitrogen, is:
- A.
Glycerin
- B.
Fatty alcohol
- C.
Ammonia
- D.
Hydrogen peroxide
- 20.In pure water, some of the molecules naturally ionize into hydrogen ions and:
- A.
Nitrogen ions
- B.
Peroxide ions
- C.
Hydroxide ions
- D.
Oxygen ions
- 21.PH is only possible because of the ionization of:
- A.
Alcohol
- B.
Water
- C.
Oil
- D.
Nonaqueous solutions
- 22.The pH scale measures:
- A.
Acidity and alkalinity
- B.
Melting point and boiling point
- C.
Purity and hardness
- D.
Weight and density
- 23.Solutions with a pH below 7.0 are:
- A.
Neutral
- B.
Alkaline
- C.
Basic
- D.
Acidic
- 24.Alkalis have a pH above 7.0 and:
- A.
Taste sour
- B.
Turn blue litmus paper red
- C.
Soften and swell the hair
- D.
Contract and harden the hair
- 25.The average pH of hair and skin is:
- A.
Seven
- B.
Five
- C.
Three
- D.
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